How Far Can We See Into the Universe

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=lYI9zwq_Yfs

Find out how far you can see in the observable universe.","styleRuns":[{"startIndex":0,"length":56,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":56,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CMIBELsvGAIiEwi8se3j2rKKAxVVwUIFHRc7DMQ=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC2xZSTl6d3FfWWZzGAYyJSIRIgtsWUk5endxX1lmczAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CMIBELsvGAIiEwi8se3j2rKKAxVVwUIFHRc7DMQ=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CMEBELovIhMIvLHt49qyigMVVcFCBR0XOwzE"}},"secondaryResults":{"secondaryResults":{"results":[{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/Zkv8sW6y3sY/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ== rs=AOn4CLCng60bIg-Dw963K7ukxhN5sPHzEg","width":168,"height":94},{"url":"https://i.ytimg.com/vi/Zkv8sW6y3sY/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE= rs=AOn4CLAsh7U6wzK-nsgAgKyv7MC8cPjQQQ","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"13 video's","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":3346183,"darkTheme":3346183}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Alles afspelen","styleRuns":[{"startIndex":0,"length":14}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":5839373,"darkTheme":5839373}}},"stackColor":{"lightTheme":10056299,"darkTheme":9665398}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"2) Special Relativity Intuition 👇"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"FloatHeadPhysics

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